77972265

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{247531}}^1$

素因数の和:247549

約数の個数: 24

約数和(自身を含む): 154459968

約数和(自身を除く): 76487703

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 247531, 742593, 1237655, 1732717, 2227779, 3712965, 5198151, 8663585, 11138895, 15594453, 25990755, 77972265]

約数ペア:

[(1, 77972265), (3, 25990755), (5, 15594453), (7, 11138895), (9, 8663585), (15, 5198151), (21, 3712965), (35, 2227779), (45, 1732717), (63, 1237655), (105, 742593), (315, 247531)]